Viscosimetric and rheological properties of epoxy resin TGEUBA and their composite (TGEUBA/MDA/TGEMDA+TSP)

Bekhta, Atiqa; Hsissou, Rachid; Berradi, Mohamed; Bouchti, Mehdi El

doi:10.1016/j.rineng.2019.100058

Cited by 31 publications

(9 citation statements)

References 20 publications

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“…The rheological properties of composites are of great importance because they affect the processing performance directly. The work studied by R. Hsissou et al [6][7][8][9][10][11][12][13] are appreciated because they made great effort on the rheological properties of polymer composite and it's of practical and scientific guiding significance. But, preliminary investigations on the properties of NBC in organic solvents have been reported [14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Development rheological and thermal properties of a novel propellant RDX/TEGDN/NBC

Xiaorui

Luo

Zhu³

et al. 2020

SN Appl. Sci.

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To meet the high energy and high strength requirements of advanced propellants, a novel propellant RDX/TEGDN/NBC was designed by hexogen that was also called RDX and triethylene glycol dinitrate/nitrated bacterial cellulose (TEGDN/ NBC) composite. The basic properties such as structure, morphology and thermal properties were characterized by fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), field emission scanning electron microscope (FESEM) and simultaneous thermal analysis (TG-DSC). The rheological properties were measured by rheometer and the effects of RDX content were studied by steady flow and dynamic test in detail. The results showed the added RDX of RDX/TEGDN/NBC composites solutions could destroy the stable structure of the system. Under the external force, RDX/ TEGDN/NBC composite solution exhibit a better fluidity compared with TEGDN/NBC composite solution. And with the RDX increase, the viscosities of the solution systems decreased first and then increased, reached their minmum values when the RDX content was 15 wt%.

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Section: Introductionmentioning

confidence: 99%

Development rheological and thermal properties of a novel propellant RDX/TEGDN/NBC

Xiaorui

Luo

Zhu³

et al. 2020

SN Appl. Sci.

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“…Adding filler to the matrix will increase the laminate's viscosity. Resin with low viscosity will interact easier with the fiber because of the high molecular mobility resulting in a strong bond [65]. In all variations, identical failure phenomena were found.…”

Section: Micrograph Analysismentioning

confidence: 75%

The Interconnection of Carbon Active Addition on Mechanical Properties of Hybrid Agel/Glass Fiber-Reinforced Green Composite

et al. 2023

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Nowadays, the hybridization of natural and glass fiber has promised several advantages as a green composite. Nevertheless, their different characteristics lead to poor mechanical bonding. In this work, agel fiber and glass fiber was used as reinforcements, and activated carbon filler was added to the polymer matrix of a hybrid composite to modify its characteristics and mechanical properties. A tensile and bending test was conducted to evaluate the effect of three different weight percentages of activated carbon filler (1, 2, and 4 wt%). Vacuum-assisted resin infusion was used to manufacture the hybrid composite to obtain the high-quality composite. The results have revealed that adding 1 wt% filler yielded the most optimum result with the highest tensile strength, flexural strength, and elastic modulus, respectively: 112.90 MPa, 85.26 MPa, and 1.80 GPa. A higher weight percentage of activated carbon filler on the composite reduced its mechanical properties. The lowest test value was shown by the composite with 4 wt%. The micrograph observations have proven that the 4 wt% composite formed agglomeration filler that can induce stress concentration and reduce its mechanical performance. Adding 1 wt% filler offered the best dispersion in the matrix, which can enhance better load transfer capability.

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“…Rheological tests enable the characterization of tested fluids [38,39]. Such measurements make it possible to determine what kind of fluid it is [40][41][42]. Furthermore, the results of rheological tests allow statements, which fabricated slurry characterizing the highest or lowest viscosity.…”

Section: Methodsmentioning

confidence: 99%

Investigation of microstructure and selected properties of Al2O3-Cu and Al2O3-Cu-Mo composites

Zygmuntowicz

Łoś

Kurowski

et al. 2020

Adv Compos Hybrid Mater

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The scope of work included the fabrication of ceramic-metal composites from the Al2O3-Cu and Al2O3-Cu-Mo and examining their microstructure and selected properties. The composites were fabricated by the slip casting method. The rheological behavior, microstructures, X-ray analysis, and mechanical properties were investigated. The rheological study demonstrated that all of the obtained slurries were non-Newtonian shear diluted fluids and stability on time. In both slurries, the flow limit is close to 0 Pa, which is very beneficial when casting the suspensions into molds. The X-ray analysis reveals Al2O3, Cu, and Mo phases in all specimens. No new phases were found in both types of composites after the sintering process. The results provided that the hardness for Al2O3-Cu-Mo composites was equal to 10.06 ± 0.49 GPa, while for Al2O3-Cu, it was equal to 6.81 ± 2.08 GPa. The K1C values measured, with the use of Niihara equation, for composites with and without the addition of Mo were equal to 6.13 ± 0.62 MPa m0.5 and 6.04 ± 0.55 MPa m0.5, respectively. It has been established that the mean specific wear rates of Al2O3-Cu and Al2O3-Cu-Mo samples were 0.35 × 10–5 ± 0.02 mm3 N−1 m−1 and 0.22 × 10–5 ± 0.04 mm3 N−1 m−1, respectively. It was found that molybdenum addition improved wear resistance properties of the composites.

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Viscosimetric and rheological properties of epoxy resin TGEUBA and their composite (TGEUBA/MDA/TGEMDA+TSP)

Cited by 31 publications

References 20 publications

Development rheological and thermal properties of a novel propellant RDX/TEGDN/NBC

Development rheological and thermal properties of a novel propellant RDX/TEGDN/NBC

The Interconnection of Carbon Active Addition on Mechanical Properties of Hybrid Agel/Glass Fiber-Reinforced Green Composite

Investigation of microstructure and selected properties of Al2O3-Cu and Al2O3-Cu-Mo composites

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